——1963年6月25日在西德市政厅柏林墙前的演说

石材行业必须拥抱可持续发展才能长久生存。

我相信书籍有改变生活的力量。

The pursuit of science is not just about discovery; it's about understanding the world around us and making it a better place.

"We don't inherit poverty from our parents; we inherit their fears."

All changes, even the most longed for, have their melancholy; for what we leave behind us is a part of ourselves; we must die to one life before we can enter into another.